Dell EMC E20-555 Exam Practice Test Instant Access

Question 1

A customer has a cluster of 16 A200 nodes. Due to recent and forecasted growth, they have decided to

expand the cluster by an additional 24 A200 nodes.

How many neighborhoods will exist on the cluster when all nodes have joined the cluster?

Answer : A

Neighborhoods split at 20 nodes. So it already had 2 neighborhoods. With the addition of 24 nodes, it will have 3 neighborhoods in total.

Question 2

If SmartPools is unlicensed on a cluster, which features are NOT enabled?

ASpecify spill over target, automatic node pool provisioning

BMetadata acceleration setting, GNA

CFile pool policy filters, specify spill over target

DFile pool policy filters, snapshot target

Answer : C

http://doc.isilon.com/onefs/6.0.4/webhelp/en-us/Content/dto1264619601462.html

Question 3

What is the recommended namespace path for the access zone on a new Isilon cluster with SyncIQ license?

A/ifs/<Cluster-Name>/data

B/ifs/<Access-Zone_Name>/<Cluster-Name>/data

C/ifs/<Access-Zone_Name>/data

D/ifs/<Cluster-Name>/<Access-Zone_Name>/data

Answer : A

https://www.dellemc.com/en-us/collaterals/unauth/technical-guides-support-information/2019/09/

docu95372.pdf

Question 4

Which data access pattern uses moderate prefetching?

AStreaming

BMirroring

CRandom

DConcurrency

Answer : D

https://niktips.wordpress.com/category/hardware/storage-hardware/isilon/

Question 5

When planning a new cluster using backend leaf-spine topology, what is the maximum number of nodes

supported when using two leaf switches and one spine switch?

A32

B44

C66

D144

Answer : A

https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h17682-dell-emcpowerscale-

leaf-spine-network-best-practices.pdf (6)

Question 6

Three jobs of different exclusion sets with a priority level of 5 are concurrently running on a cluster. A new job

with a priority of 4 needs to be run.

What does the Job Engine do?

APauses a priority 5 job and runs the new job until completion, then restarts the paused job from the
beginning

BPauses all priority 5 jobs and runs the new job until completion, then restarts the paused job

CQueues the old job of the same exclusion set until the job with a higher priority completes

DRuns the new job in parallel with the other running jobs

Answer : A

http://doc.isilon.com/onefs/7.1.1/help/en-us/GUID-C8094DAD-330E-4110-82A8-

B97FEFB2D89A.html

Question 7

You are designing a backup solution using an NDMP redirector and throttler. What is the default threshold

percentage of CPU resources that the throttler limits NDMP to?

A25

B45

C50

D60

Answer : C

http://doc.isilon.com/onefs/8.2.0/help/en-us/ifs_t_enable_ndmp_throttler.html

Dell EMC E20-555 Isilon Solutions and Design Specialist for Technology Architects Exam Practice Test